51139800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{28411}}^1$

素因数の和:28433

約数の個数: 72

約数和(自身を含む): 171750540

約数和(自身を除く): 120610740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 28411, 56822, 85233, 113644, 142055, 170466, 227288, 255699, 284110, 340932, 426165, 511398, 568220, 681864, 710275, 852330, 1022796, 1136440, 1278495, 1420550, 1704660, 2045592, 2130825, 2556990, 2841100, 3409320, 4261650, 5113980, 5682200, 6392475, 8523300, 10227960, 12784950, 17046600, 25569900, 51139800]

約数ペア:

[(1, 51139800), (2, 25569900), (3, 17046600), (4, 12784950), (5, 10227960), (6, 8523300), (8, 6392475), (9, 5682200), (10, 5113980), (12, 4261650), (15, 3409320), (18, 2841100), (20, 2556990), (24, 2130825), (25, 2045592), (30, 1704660), (36, 1420550), (40, 1278495), (45, 1136440), (50, 1022796), (60, 852330), (72, 710275), (75, 681864), (90, 568220), (100, 511398), (120, 426165), (150, 340932), (180, 284110), (200, 255699), (225, 227288), (300, 170466), (360, 142055), (450, 113644), (600, 85233), (900, 56822), (1800, 28411)]